Split JS methods out of CXFA_Object

This CL moves the javascript code from CXFA_Object to CJX_Object. The
Script_* methods are proxied to CJX_Object.

The ownership of the CJX_ object was removed from CXFA_Node and moved up
to CXFA_Object.

Change-Id: I58d286e6bb0151aa88d4f673bc7729987417bde6
Reviewed-on: https://pdfium-review.googlesource.com/17310
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/fxjs/cjx_object.h b/fxjs/cjx_object.h
new file mode 100644
index 0000000000..9e957d88ba
--- /dev/null
+++ b/fxjs/cjx_object.h
@@ -0,0 +1,41 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef FXJS_CJX_OBJECT_H_
+#define FXJS_CJX_OBJECT_H_
+
+#include "core/fxcrt/unowned_ptr.h"
+#include "core/fxcrt/widestring.h"
+#include "xfa/fxfa/fxfa_basic.h"
+
+class CFXJSE_Value;
+class CXFA_Object;
+
+class CJX_Object {
+ public:
+  explicit CJX_Object(CXFA_Object* object);
+  virtual ~CJX_Object();
+
+  CXFA_Object* GetXFAObject() { return object_.Get(); }
+  const CXFA_Object* GetXFAObject() const { return object_.Get(); }
+
+  void Script_ObjectClass_ClassName(CFXJSE_Value* pValue,
+                                    bool bSetting,
+                                    XFA_ATTRIBUTE eAttribute);
+
+  void ThrowInvalidPropertyException() const;
+  void ThrowArgumentMismatchException() const;
+  void ThrowIndexOutOfBoundsException() const;
+  void ThrowParamCountMismatchException(const WideString& method) const;
+
+  // Make this protected when the cscript_* objects are converted to CJX.
+  void ThrowException(const wchar_t* str, ...) const;
+
+ private:
+  UnownedPtr<CXFA_Object> object_;
+};
+
+#endif  // FXJS_CJX_OBJECT_H_